OpenAI: GPT-5.6 Luna Pro vs Mistral Large
Compare OpenAI: GPT-5.6 Luna Pro by OpenAI against Mistral Large by Mistral AI, context windows of 1.1M vs 32K, tested across 54 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Luna Pro
Mistral Large
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
OpenAI: GPT-5.6 Luna Pro is 4.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Luna Pro
Input
$1.00
8.0× cheaper
Output
$6.00
4.0× cheaper
Mistral Large
Input
$8.00
Output
$24.00
OpenAI: GPT-5.6 Luna Pro is cheaper on both — 8.0× input, 4.0× output
Writing DNA
Style Comparison
Similarity
49%
Mistral Large uses 3.1x more bold
OpenAI: GPT-5.6 Luna Pro
Mistral Large
58%Vocabulary49%
18wSentence Length19w
0.81Hedging0.86
2.9Bold8.9
5.1Lists5.4
0.54Emoji0.31
1.10Headings1.01
0.09Transitions0.10
Based on 27 + 16 text responses
Research
What we learned reading every model
FAQ
